Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 2 | |
| 3 | i2c tv tuner chip device driver |
| 4 | controls the philips tda8290+75 tuner chip combo. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include <linux/i2c.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/delay.h> |
Michael Krufky | ffbb807 | 2007-08-21 01:14:12 -0300 | [diff] [blame] | 23 | #include <linux/videodev.h> |
Michael Krufky | 8218b0b | 2007-06-26 13:12:08 -0300 | [diff] [blame] | 24 | #include "tuner-driver.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
| 26 | /* ---------------------------------------------------------------------- */ |
| 27 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 28 | struct tda8290_priv { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 29 | struct tuner_i2c_props i2c_props; |
| 30 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 31 | unsigned char tda8290_easy_mode; |
| 32 | unsigned char tda827x_lpsel; |
| 33 | unsigned char tda827x_addr; |
| 34 | unsigned char tda827x_ver; |
| 35 | unsigned int sgIF; |
| 36 | }; |
| 37 | |
| 38 | /* ---------------------------------------------------------------------- */ |
| 39 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 40 | struct tda827x_data { |
| 41 | u32 lomax; |
| 42 | u8 spd; |
| 43 | u8 bs; |
| 44 | u8 bp; |
| 45 | u8 cp; |
| 46 | u8 gc3; |
| 47 | u8 div1p5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | }; |
| 49 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 50 | /* Note lomax entry is lo / 62500 */ |
| 51 | |
| 52 | static struct tda827x_data tda827x_analog[] = { |
| 53 | { .lomax = 992, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 62 MHz */ |
| 54 | { .lomax = 1056, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 66 MHz */ |
| 55 | { .lomax = 1216, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 76 MHz */ |
| 56 | { .lomax = 1344, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 84 MHz */ |
| 57 | { .lomax = 1488, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 93 MHz */ |
| 58 | { .lomax = 1568, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 98 MHz */ |
| 59 | { .lomax = 1744, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 109 MHz */ |
| 60 | { .lomax = 1968, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 123 MHz */ |
| 61 | { .lomax = 2128, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 133 MHz */ |
| 62 | { .lomax = 2416, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 151 MHz */ |
| 63 | { .lomax = 2464, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 154 MHz */ |
| 64 | { .lomax = 2896, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 181 MHz */ |
| 65 | { .lomax = 2960, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 185 MHz */ |
| 66 | { .lomax = 3472, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 217 MHz */ |
| 67 | { .lomax = 3904, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 244 MHz */ |
| 68 | { .lomax = 4240, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 265 MHz */ |
| 69 | { .lomax = 4832, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 302 MHz */ |
| 70 | { .lomax = 5184, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 324 MHz */ |
| 71 | { .lomax = 5920, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 370 MHz */ |
| 72 | { .lomax = 7264, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 454 MHz */ |
| 73 | { .lomax = 7888, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 493 MHz */ |
| 74 | { .lomax = 8480, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 530 MHz */ |
| 75 | { .lomax = 8864, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 554 MHz */ |
| 76 | { .lomax = 9664, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 604 MHz */ |
| 77 | { .lomax = 11088, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 696 MHz */ |
| 78 | { .lomax = 11840, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 740 MHz */ |
| 79 | { .lomax = 13120, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 820 MHz */ |
| 80 | { .lomax = 13840, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 865 MHz */ |
| 81 | { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | }; |
| 83 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 84 | static void tda827x_tune(struct tuner *t, u16 ifc, unsigned int freq) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | { |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 86 | unsigned char tuner_reg[8]; |
| 87 | unsigned char reg2[2]; |
Mauro Carvalho Chehab | 586b0ca | 2005-06-28 20:45:21 -0700 | [diff] [blame] | 88 | u32 N; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 89 | int i; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 90 | struct tda8290_priv *priv = t->priv; |
| 91 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
Mauro Carvalho Chehab | 586b0ca | 2005-06-28 20:45:21 -0700 | [diff] [blame] | 93 | if (t->mode == V4L2_TUNER_RADIO) |
Mauro Carvalho Chehab | f7ce3cc | 2005-07-12 13:58:55 -0700 | [diff] [blame] | 94 | freq = freq / 1000; |
Mauro Carvalho Chehab | 586b0ca | 2005-06-28 20:45:21 -0700 | [diff] [blame] | 95 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 96 | N = freq + ifc; |
| 97 | i = 0; |
| 98 | while (tda827x_analog[i].lomax < N) { |
| 99 | if(tda827x_analog[i + 1].lomax == 0) |
| 100 | break; |
| 101 | i++; |
| 102 | } |
Mauro Carvalho Chehab | 586b0ca | 2005-06-28 20:45:21 -0700 | [diff] [blame] | 103 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 104 | N = N << tda827x_analog[i].spd; |
| 105 | |
| 106 | tuner_reg[0] = 0; |
| 107 | tuner_reg[1] = (unsigned char)(N>>8); |
| 108 | tuner_reg[2] = (unsigned char) N; |
| 109 | tuner_reg[3] = 0x40; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 110 | tuner_reg[4] = 0x52 + (priv->tda827x_lpsel << 5); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 111 | tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) + |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 112 | (tda827x_analog[i].bs <<3) + tda827x_analog[i].bp; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 113 | tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4); |
| 114 | tuner_reg[7] = 0x8f; |
| 115 | |
| 116 | msg.buf = tuner_reg; |
| 117 | msg.len = 8; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 118 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 119 | |
| 120 | msg.buf= reg2; |
| 121 | msg.len = 2; |
| 122 | reg2[0] = 0x80; |
| 123 | reg2[1] = 0; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 124 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 125 | |
| 126 | reg2[0] = 0x60; |
| 127 | reg2[1] = 0xbf; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 128 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 129 | |
| 130 | reg2[0] = 0x30; |
| 131 | reg2[1] = tuner_reg[4] + 0x80; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 132 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 133 | |
| 134 | msleep(1); |
| 135 | reg2[0] = 0x30; |
| 136 | reg2[1] = tuner_reg[4] + 4; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 137 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 138 | |
| 139 | msleep(1); |
| 140 | reg2[0] = 0x30; |
| 141 | reg2[1] = tuner_reg[4]; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 142 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 143 | |
| 144 | msleep(550); |
| 145 | reg2[0] = 0x30; |
| 146 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_analog[i].cp ; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 147 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 148 | |
| 149 | reg2[0] = 0x60; |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 150 | reg2[1] = 0x3f; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 151 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 152 | |
| 153 | reg2[0] = 0x80; |
| 154 | reg2[1] = 0x08; // Vsync en |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 155 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | } |
| 157 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 158 | static void tda827x_agcf(struct tuner *t) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 159 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 160 | struct tda8290_priv *priv = t->priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 161 | unsigned char data[] = {0x80, 0x0c}; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 162 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 163 | .flags = 0, .len = 2}; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 164 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | /* ---------------------------------------------------------------------- */ |
| 168 | |
| 169 | struct tda827xa_data { |
| 170 | u32 lomax; |
| 171 | u8 svco; |
| 172 | u8 spd; |
| 173 | u8 scr; |
| 174 | u8 sbs; |
| 175 | u8 gc3; |
| 176 | }; |
| 177 | |
| 178 | static struct tda827xa_data tda827xa_analog[] = { |
| 179 | { .lomax = 910, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, /* 56.875 MHz */ |
| 180 | { .lomax = 1076, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 67.25 MHz */ |
| 181 | { .lomax = 1300, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 81.25 MHz */ |
| 182 | { .lomax = 1560, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 97.5 MHz */ |
| 183 | { .lomax = 1820, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, /* 113.75 MHz */ |
| 184 | { .lomax = 2152, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 134.5 MHz */ |
| 185 | { .lomax = 2464, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 154 MHz */ |
| 186 | { .lomax = 2600, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 162.5 MHz */ |
| 187 | { .lomax = 2928, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 183 MHz */ |
| 188 | { .lomax = 3120, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, /* 195 MHz */ |
| 189 | { .lomax = 3640, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, /* 227.5 MHz */ |
| 190 | { .lomax = 4304, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, /* 269 MHz */ |
| 191 | { .lomax = 5200, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, /* 325 MHz */ |
| 192 | { .lomax = 6240, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 390 MHz */ |
| 193 | { .lomax = 7280, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 455 MHz */ |
| 194 | { .lomax = 8320, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 520 MHz */ |
| 195 | { .lomax = 8608, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, /* 538 MHz */ |
| 196 | { .lomax = 8864, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 554 MHz */ |
| 197 | { .lomax = 9920, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 620 MHz */ |
| 198 | { .lomax = 10400, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 650 MHz */ |
| 199 | { .lomax = 11200, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 700 MHz */ |
| 200 | { .lomax = 12480, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 780 MHz */ |
| 201 | { .lomax = 13120, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 820 MHz */ |
| 202 | { .lomax = 13920, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 870 MHz */ |
| 203 | { .lomax = 14576, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, /* 911 MHz */ |
| 204 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */ |
| 205 | }; |
| 206 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 207 | static void tda827xa_lna_gain(struct tuner *t, int high) |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 208 | { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 209 | struct tda8290_priv *priv = t->priv; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 210 | unsigned char buf[] = {0x22, 0x01}; |
| 211 | int arg; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 212 | struct i2c_msg msg = {.addr = priv->i2c_props.addr, .flags = 0, .buf = buf, .len = sizeof(buf)}; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 213 | if (t->config) { |
| 214 | if (high) |
| 215 | tuner_dbg("setting LNA to high gain\n"); |
| 216 | else |
| 217 | tuner_dbg("setting LNA to low gain\n"); |
| 218 | } |
| 219 | switch (t->config) { |
| 220 | case 0: /* no LNA */ |
| 221 | break; |
| 222 | case 1: /* switch is GPIO 0 of tda8290 */ |
| 223 | case 2: |
| 224 | /* turn Vsync on */ |
| 225 | if (t->std & V4L2_STD_MN) |
Hartmut Hackmann | cfeb883 | 2007-04-27 12:31:17 -0300 | [diff] [blame] | 226 | arg = 1; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 227 | else |
Hartmut Hackmann | cfeb883 | 2007-04-27 12:31:17 -0300 | [diff] [blame] | 228 | arg = 0; |
| 229 | if (t->tuner_callback) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 230 | t->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 231 | buf[1] = high ? 0 : 1; |
| 232 | if (t->config == 2) |
| 233 | buf[1] = high ? 1 : 0; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 234 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 235 | break; |
| 236 | case 3: /* switch with GPIO of saa713x */ |
Hartmut Hackmann | cfeb883 | 2007-04-27 12:31:17 -0300 | [diff] [blame] | 237 | if (t->tuner_callback) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 238 | t->tuner_callback(priv->i2c_props.adap->algo_data, 0, high); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 239 | break; |
| 240 | } |
| 241 | } |
| 242 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 243 | static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 244 | { |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 245 | unsigned char tuner_reg[11]; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 246 | u32 N; |
| 247 | int i; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 248 | struct tda8290_priv *priv = t->priv; |
| 249 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg}; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 250 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 251 | tda827xa_lna_gain(t, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 252 | msleep(10); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 253 | |
| 254 | if (t->mode == V4L2_TUNER_RADIO) |
| 255 | freq = freq / 1000; |
| 256 | |
| 257 | N = freq + ifc; |
| 258 | i = 0; |
| 259 | while (tda827xa_analog[i].lomax < N) { |
| 260 | if(tda827xa_analog[i + 1].lomax == 0) |
| 261 | break; |
| 262 | i++; |
| 263 | } |
| 264 | |
| 265 | N = N << tda827xa_analog[i].spd; |
| 266 | |
| 267 | tuner_reg[0] = 0; |
| 268 | tuner_reg[1] = (unsigned char)(N>>8); |
| 269 | tuner_reg[2] = (unsigned char) N; |
| 270 | tuner_reg[3] = 0; |
| 271 | tuner_reg[4] = 0x16; |
| 272 | tuner_reg[5] = (tda827xa_analog[i].spd << 5) + (tda827xa_analog[i].svco << 3) + |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 273 | tda827xa_analog[i].sbs; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 274 | tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 275 | tuner_reg[7] = 0x1c; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 276 | tuner_reg[8] = 4; |
| 277 | tuner_reg[9] = 0x20; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 278 | tuner_reg[10] = 0x00; |
| 279 | msg.len = 11; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 280 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 281 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 282 | tuner_reg[0] = 0x90; |
| 283 | tuner_reg[1] = 0xff; |
| 284 | tuner_reg[2] = 0xe0; |
| 285 | tuner_reg[3] = 0; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 286 | tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 287 | msg.len = 5; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 288 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 289 | |
| 290 | tuner_reg[0] = 0xa0; |
| 291 | tuner_reg[1] = 0xc0; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 292 | msg.len = 2; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 293 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 294 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 295 | tuner_reg[0] = 0x30; |
| 296 | tuner_reg[1] = 0x10 + tda827xa_analog[i].scr; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 297 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 298 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 299 | msg.flags = I2C_M_RD; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 300 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 301 | msg.flags = 0; |
| 302 | tuner_reg[1] >>= 4; |
| 303 | tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]); |
| 304 | if (tuner_reg[1] < 1) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 305 | tda827xa_lna_gain(t, 0); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 306 | |
| 307 | msleep(100); |
| 308 | tuner_reg[0] = 0x60; |
| 309 | tuner_reg[1] = 0x3c; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 310 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 311 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 312 | msleep(163); |
| 313 | tuner_reg[0] = 0x50; |
| 314 | tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 315 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 316 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 317 | tuner_reg[0] = 0x80; |
| 318 | tuner_reg[1] = 0x28; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 319 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 320 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 321 | tuner_reg[0] = 0xb0; |
| 322 | tuner_reg[1] = 0x01; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 323 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 324 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 325 | tuner_reg[0] = 0xc0; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 326 | tuner_reg[1] = 0x19 + (priv->tda827x_lpsel << 1); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 327 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 328 | } |
| 329 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 330 | static void tda827xa_agcf(struct tuner *t) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 331 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 332 | struct tda8290_priv *priv = t->priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 333 | unsigned char data[] = {0x80, 0x2c}; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 334 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 335 | .flags = 0, .len = 2}; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 336 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | /*---------------------------------------------------------------------*/ |
| 340 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 341 | static void tda8290_i2c_bridge(struct tuner *t, int close) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 342 | { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 343 | struct tda8290_priv *priv = t->priv; |
| 344 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 345 | unsigned char enable[2] = { 0x21, 0xC0 }; |
Hartmut Hackmann | 0157a9c | 2006-02-07 06:49:09 -0200 | [diff] [blame] | 346 | unsigned char disable[2] = { 0x21, 0x00 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 347 | unsigned char *msg; |
| 348 | if(close) { |
| 349 | msg = enable; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 350 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 351 | /* let the bridge stabilize */ |
| 352 | msleep(20); |
| 353 | } else { |
| 354 | msg = disable; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 355 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 356 | } |
| 357 | } |
| 358 | |
| 359 | /*---------------------------------------------------------------------*/ |
| 360 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 361 | static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 362 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 363 | struct tda8290_priv *priv = t->priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 364 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 365 | unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 366 | unsigned char expert_mode[] = { 0x01, 0x80 }; |
Hartmut Hackmann | 0157a9c | 2006-02-07 06:49:09 -0200 | [diff] [blame] | 367 | unsigned char agc_out_on[] = { 0x02, 0x00 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 368 | unsigned char gainset_off[] = { 0x28, 0x14 }; |
| 369 | unsigned char if_agc_spd[] = { 0x0f, 0x88 }; |
| 370 | unsigned char adc_head_6[] = { 0x05, 0x04 }; |
| 371 | unsigned char adc_head_9[] = { 0x05, 0x02 }; |
| 372 | unsigned char adc_head_12[] = { 0x05, 0x01 }; |
| 373 | unsigned char pll_bw_nom[] = { 0x0d, 0x47 }; |
| 374 | unsigned char pll_bw_low[] = { 0x0d, 0x27 }; |
| 375 | unsigned char gainset_2[] = { 0x28, 0x64 }; |
| 376 | unsigned char agc_rst_on[] = { 0x0e, 0x0b }; |
| 377 | unsigned char agc_rst_off[] = { 0x0e, 0x09 }; |
| 378 | unsigned char if_agc_set[] = { 0x0f, 0x81 }; |
| 379 | unsigned char addr_adc_sat = 0x1a; |
| 380 | unsigned char addr_agc_stat = 0x1d; |
| 381 | unsigned char addr_pll_stat = 0x1b; |
| 382 | unsigned char adc_sat, agc_stat, |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 383 | pll_stat; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 384 | int i; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 385 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 386 | tuner_dbg("tda827xa config is 0x%02x\n", t->config); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 387 | tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2); |
| 388 | tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2); |
| 389 | tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 390 | msleep(1); |
| 391 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 392 | expert_mode[1] = priv->tda8290_easy_mode + 0x80; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 393 | tuner_i2c_xfer_send(&priv->i2c_props, expert_mode, 2); |
| 394 | tuner_i2c_xfer_send(&priv->i2c_props, gainset_off, 2); |
| 395 | tuner_i2c_xfer_send(&priv->i2c_props, if_agc_spd, 2); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 396 | if (priv->tda8290_easy_mode & 0x60) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 397 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_9, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 398 | else |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 399 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2); |
| 400 | tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 401 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 402 | tda8290_i2c_bridge(t, 1); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 403 | if (priv->tda827x_ver != 0) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 404 | tda827xa_tune(t, ifc, freq); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 405 | else |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 406 | tda827x_tune(t, ifc, freq); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 407 | for (i = 0; i < 3; i++) { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 408 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 409 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 410 | if (pll_stat & 0x80) { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 411 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); |
| 412 | tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); |
| 413 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
| 414 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 415 | tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); |
| 416 | break; |
| 417 | } else { |
| 418 | tuner_dbg("tda8290 not locked, no signal?\n"); |
| 419 | msleep(100); |
| 420 | } |
| 421 | } |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 422 | /* adjust headroom resp. gain */ |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 423 | if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) { |
| 424 | tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n", |
| 425 | agc_stat, adc_sat, pll_stat & 0x80); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 426 | tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 427 | msleep(100); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 428 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
| 429 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); |
| 430 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 431 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 432 | if ((agc_stat > 115) || !(pll_stat & 0x80)) { |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 433 | tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n", |
| 434 | agc_stat, pll_stat & 0x80); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 435 | if (priv->tda827x_ver != 0) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 436 | tda827xa_agcf(t); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 437 | else |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 438 | tda827x_agcf(t); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 439 | msleep(100); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 440 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
| 441 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); |
| 442 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 443 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 444 | if((agc_stat > 115) || !(pll_stat & 0x80)) { |
| 445 | tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 446 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2); |
| 447 | tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_low, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 448 | msleep(100); |
| 449 | } |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | /* l/ l' deadlock? */ |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 454 | if(priv->tda8290_easy_mode & 0x60) { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 455 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); |
| 456 | tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); |
| 457 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
| 458 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 459 | if ((adc_sat > 20) || !(pll_stat & 0x80)) { |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 460 | tuner_dbg("trying to resolve SECAM L deadlock\n"); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 461 | tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 462 | msleep(40); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 463 | tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_off, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 464 | } |
| 465 | } |
| 466 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 467 | tda8290_i2c_bridge(t, 0); |
| 468 | tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 469 | return 0; |
| 470 | } |
| 471 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 472 | /*---------------------------------------------------------------------*/ |
| 473 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | static void set_audio(struct tuner *t) |
| 475 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 476 | struct tda8290_priv *priv = t->priv; |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 477 | char* mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 479 | priv->tda827x_lpsel = 0; |
Nickolay V. Shmyrev | 70b6934 | 2005-11-08 21:36:50 -0800 | [diff] [blame] | 480 | if (t->std & V4L2_STD_MN) { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 481 | priv->sgIF = 92; |
| 482 | priv->tda8290_easy_mode = 0x01; |
| 483 | priv->tda827x_lpsel = 1; |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 484 | mode = "MN"; |
Nickolay V. Shmyrev | 70b6934 | 2005-11-08 21:36:50 -0800 | [diff] [blame] | 485 | } else if (t->std & V4L2_STD_B) { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 486 | priv->sgIF = 108; |
| 487 | priv->tda8290_easy_mode = 0x02; |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 488 | mode = "B"; |
Nickolay V. Shmyrev | 70b6934 | 2005-11-08 21:36:50 -0800 | [diff] [blame] | 489 | } else if (t->std & V4L2_STD_GH) { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 490 | priv->sgIF = 124; |
| 491 | priv->tda8290_easy_mode = 0x04; |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 492 | mode = "GH"; |
Nickolay V. Shmyrev | 70b6934 | 2005-11-08 21:36:50 -0800 | [diff] [blame] | 493 | } else if (t->std & V4L2_STD_PAL_I) { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 494 | priv->sgIF = 124; |
| 495 | priv->tda8290_easy_mode = 0x08; |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 496 | mode = "I"; |
Nickolay V. Shmyrev | 70b6934 | 2005-11-08 21:36:50 -0800 | [diff] [blame] | 497 | } else if (t->std & V4L2_STD_DK) { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 498 | priv->sgIF = 124; |
| 499 | priv->tda8290_easy_mode = 0x10; |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 500 | mode = "DK"; |
Nickolay V. Shmyrev | 70b6934 | 2005-11-08 21:36:50 -0800 | [diff] [blame] | 501 | } else if (t->std & V4L2_STD_SECAM_L) { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 502 | priv->sgIF = 124; |
| 503 | priv->tda8290_easy_mode = 0x20; |
Hartmut Hackmann | 4ac95af | 2005-11-08 21:38:38 -0800 | [diff] [blame] | 504 | mode = "L"; |
Hartmut Hackmann | 70146cf | 2005-11-13 16:07:58 -0800 | [diff] [blame] | 505 | } else if (t->std & V4L2_STD_SECAM_LC) { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 506 | priv->sgIF = 20; |
| 507 | priv->tda8290_easy_mode = 0x40; |
Hartmut Hackmann | 70146cf | 2005-11-13 16:07:58 -0800 | [diff] [blame] | 508 | mode = "LC"; |
Hartmut Hackmann | e65ec75 | 2007-03-22 20:58:43 -0300 | [diff] [blame] | 509 | } else { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 510 | priv->sgIF = 124; |
| 511 | priv->tda8290_easy_mode = 0x10; |
Hartmut Hackmann | e65ec75 | 2007-03-22 20:58:43 -0300 | [diff] [blame] | 512 | mode = "xx"; |
Nickolay V. Shmyrev | 70b6934 | 2005-11-08 21:36:50 -0800 | [diff] [blame] | 513 | } |
Hartmut Hackmann | e65ec75 | 2007-03-22 20:58:43 -0300 | [diff] [blame] | 514 | tuner_dbg("setting tda8290 to system %s\n", mode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | } |
| 516 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 517 | static void set_tv_freq(struct tuner *t, unsigned int freq) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 519 | struct tda8290_priv *priv = t->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
| 521 | set_audio(t); |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 522 | tda8290_tune(t, priv->sgIF, freq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | } |
| 524 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 525 | static void set_radio_freq(struct tuner *t, unsigned int freq) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | { |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 527 | /* if frequency is 5.5 MHz */ |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 528 | tda8290_tune(t, 88, freq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | } |
| 530 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 531 | static int has_signal(struct tuner *t) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 533 | struct tda8290_priv *priv = t->priv; |
| 534 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | unsigned char i2c_get_afc[1] = { 0x1B }; |
| 536 | unsigned char afc = 0; |
| 537 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 538 | tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); |
| 539 | tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | return (afc & 0x80)? 65535:0; |
| 541 | } |
| 542 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 543 | /*---------------------------------------------------------------------*/ |
| 544 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 545 | static void standby(struct tuner *t) |
Mauro Carvalho Chehab | 793cf9e | 2005-09-09 13:03:37 -0700 | [diff] [blame] | 546 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 547 | struct tda8290_priv *priv = t->priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 548 | unsigned char cb1[] = { 0x30, 0xD0 }; |
| 549 | unsigned char tda8290_standby[] = { 0x00, 0x02 }; |
Hartmut Hackmann | 0157a9c | 2006-02-07 06:49:09 -0200 | [diff] [blame] | 550 | unsigned char tda8290_agc_tri[] = { 0x02, 0x20 }; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 551 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 552 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 553 | tda8290_i2c_bridge(t, 1); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 554 | if (priv->tda827x_ver != 0) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 555 | cb1[1] = 0x90; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 556 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
| 557 | tda8290_i2c_bridge(t, 0); |
| 558 | tuner_i2c_xfer_send(&priv->i2c_props, tda8290_agc_tri, 2); |
| 559 | tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2); |
Mauro Carvalho Chehab | 793cf9e | 2005-09-09 13:03:37 -0700 | [diff] [blame] | 560 | } |
| 561 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 562 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 563 | static void tda8290_init_if(struct tuner *t) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 564 | { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 565 | struct tda8290_priv *priv = t->priv; |
| 566 | |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 567 | unsigned char set_VS[] = { 0x30, 0x6F }; |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 568 | unsigned char set_GP00_CF[] = { 0x20, 0x01 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 569 | unsigned char set_GP01_CF[] = { 0x20, 0x0B }; |
| 570 | |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 571 | if ((t->config == 1) || (t->config == 2)) |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 572 | tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2); |
Hartmut Hackmann | 58ef4f9 | 2007-04-27 12:31:12 -0300 | [diff] [blame] | 573 | else |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 574 | tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2); |
| 575 | tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 576 | } |
| 577 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 578 | static void tda8290_init_tuner(struct tuner *t) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 579 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 580 | struct tda8290_priv *priv = t->priv; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 581 | unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf, |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 582 | 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 }; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 583 | unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b, |
Nickolay V. Shmyrev | 9a741ec | 2005-11-08 21:37:50 -0800 | [diff] [blame] | 584 | 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b }; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 585 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, |
Ricardo Cerqueira | c2f6f9d | 2005-11-08 21:37:51 -0800 | [diff] [blame] | 586 | .buf=tda8275_init, .len = 14}; |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 587 | if (priv->tda827x_ver != 0) |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 588 | msg.buf = tda8275a_init; |
| 589 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 590 | tda8290_i2c_bridge(t, 1); |
| 591 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
| 592 | tda8290_i2c_bridge(t, 0); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 593 | } |
| 594 | |
| 595 | /*---------------------------------------------------------------------*/ |
| 596 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 597 | static void tda8290_release(struct tuner *t) |
Michael Krufky | 024cf53 | 2007-06-04 15:20:11 -0300 | [diff] [blame] | 598 | { |
Michael Krufky | 024cf53 | 2007-06-04 15:20:11 -0300 | [diff] [blame] | 599 | kfree(t->priv); |
| 600 | t->priv = NULL; |
| 601 | } |
| 602 | |
Michael Krufky | 7fd8b26 | 2007-06-06 16:15:15 -0300 | [diff] [blame] | 603 | static struct tuner_operations tda8290_tuner_ops = { |
| 604 | .set_tv_freq = set_tv_freq, |
| 605 | .set_radio_freq = set_radio_freq, |
| 606 | .has_signal = has_signal, |
| 607 | .standby = standby, |
| 608 | .release = tda8290_release, |
| 609 | }; |
| 610 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 611 | int tda8290_init(struct tuner *t) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | { |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 613 | struct tda8290_priv *priv = NULL; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 614 | u8 data; |
| 615 | int i, ret, tuners_found; |
| 616 | u32 tuner_addrs; |
| 617 | struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 619 | priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL); |
| 620 | if (priv == NULL) |
| 621 | return -ENOMEM; |
| 622 | t->priv = priv; |
| 623 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 624 | priv->i2c_props.addr = t->i2c.addr; |
| 625 | priv->i2c_props.adap = t->i2c.adapter; |
| 626 | |
| 627 | tda8290_i2c_bridge(t, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 628 | /* probe for tuner chip */ |
| 629 | tuners_found = 0; |
| 630 | tuner_addrs = 0; |
| 631 | for (i=0x60; i<= 0x63; i++) { |
| 632 | msg.addr = i; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 633 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 634 | if (ret == 1) { |
| 635 | tuners_found++; |
| 636 | tuner_addrs = (tuner_addrs << 8) + i; |
| 637 | } |
| 638 | } |
| 639 | /* if there is more than one tuner, we expect the right one is |
| 640 | behind the bridge and we choose the highest address that doesn't |
| 641 | give a response now |
| 642 | */ |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 643 | tda8290_i2c_bridge(t, 0); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 644 | if(tuners_found > 1) |
| 645 | for (i = 0; i < tuners_found; i++) { |
| 646 | msg.addr = tuner_addrs & 0xff; |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 647 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 648 | if(ret == 1) |
| 649 | tuner_addrs = tuner_addrs >> 8; |
| 650 | else |
| 651 | break; |
| 652 | } |
| 653 | if (tuner_addrs == 0) { |
| 654 | tuner_addrs = 0x61; |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 655 | tuner_info ("could not clearly identify tuner address, defaulting to %x\n", |
Nickolay V. Shmyrev | 01cb963 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 656 | tuner_addrs); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 657 | } else { |
| 658 | tuner_addrs = tuner_addrs & 0xff; |
| 659 | tuner_info ("setting tuner address to %x\n", tuner_addrs); |
| 660 | } |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 661 | priv->tda827x_addr = tuner_addrs; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 662 | msg.addr = tuner_addrs; |
| 663 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 664 | tda8290_i2c_bridge(t, 1); |
| 665 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 666 | if( ret != 1) |
| 667 | tuner_warn ("TDA827x access failed!\n"); |
| 668 | if ((data & 0x3c) == 0) { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 669 | strlcpy(t->i2c.name, "tda8290+75", sizeof(t->i2c.name)); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 670 | priv->tda827x_ver = 0; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 671 | } else { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 672 | strlcpy(t->i2c.name, "tda8290+75a", sizeof(t->i2c.name)); |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 673 | priv->tda827x_ver = 2; |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 674 | } |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 675 | tuner_info("type set to %s\n", t->i2c.name); |
Hartmut Hackmann | de48eeb | 2005-11-08 21:37:48 -0800 | [diff] [blame] | 676 | |
Michael Krufky | 7fd8b26 | 2007-06-06 16:15:15 -0300 | [diff] [blame] | 677 | memcpy(&t->ops, &tda8290_tuner_ops, sizeof(struct tuner_operations)); |
| 678 | |
Michael Krufky | b208319 | 2007-05-29 22:54:06 -0300 | [diff] [blame] | 679 | priv->tda827x_lpsel = 0; |
Hartmut Hackmann | e65ec75 | 2007-03-22 20:58:43 -0300 | [diff] [blame] | 680 | t->mode = V4L2_TUNER_ANALOG_TV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 682 | tda8290_init_tuner(t); |
| 683 | tda8290_init_if(t); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | return 0; |
| 685 | } |
| 686 | |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 687 | int tda8290_probe(struct tuner *t) |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 688 | { |
Michael Krufky | db8a695 | 2007-08-21 01:24:42 -0300 | [diff] [blame^] | 689 | struct i2c_client *c = &t->i2c; |
| 690 | |
Hartmut Hackmann | 44fd06f | 2006-02-27 00:09:11 -0300 | [diff] [blame] | 691 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
| 692 | unsigned char easy_mode_b[] = { 0x01, 0x02 }; |
| 693 | unsigned char easy_mode_g[] = { 0x01, 0x04 }; |
| 694 | unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 }; |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 695 | unsigned char addr_dto_lsb = 0x07; |
| 696 | unsigned char data; |
| 697 | |
| 698 | i2c_master_send(c, easy_mode_b, 2); |
| 699 | i2c_master_send(c, soft_reset, 2); |
| 700 | i2c_master_send(c, &addr_dto_lsb, 1); |
| 701 | i2c_master_recv(c, &data, 1); |
| 702 | if (data == 0) { |
| 703 | i2c_master_send(c, easy_mode_g, 2); |
| 704 | i2c_master_send(c, soft_reset, 2); |
| 705 | i2c_master_send(c, &addr_dto_lsb, 1); |
| 706 | i2c_master_recv(c, &data, 1); |
| 707 | if (data == 0x7b) { |
| 708 | return 0; |
| 709 | } |
| 710 | } |
Hartmut Hackmann | 44fd06f | 2006-02-27 00:09:11 -0300 | [diff] [blame] | 711 | i2c_master_send(c, restore_9886, 3); |
Hartmut Hackmann | 9573603 | 2005-11-08 21:38:00 -0800 | [diff] [blame] | 712 | return -1; |
| 713 | } |
| 714 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | /* |
| 716 | * Overrides for Emacs so that we follow Linus's tabbing style. |
| 717 | * --------------------------------------------------------------------------- |
| 718 | * Local variables: |
| 719 | * c-basic-offset: 8 |
| 720 | * End: |
| 721 | */ |